Abstract

Micro catheters are thin-walled devices gaining pivotal importance in the field of micro invasive surgeries. The need for an efficient design of a micro catheter with the enhancement of its prime characteristics like-kink resistance, lower bending response, increased perumbular capacities, etc., has been the key parameters for research among biomedical engineers. The article highlights the nuances in the technology in the fabrication of micro active catheters and the procedure and necessity of embolization in the process of catheterization. Efficacies of different designs of micro active catheters were studied based on a variety of clinical data trials by several researchers and doctors. Superior materials capable of enhancing the torque efficacy of the device like auxetic materials and their effect on bending angles were studied. Clinical trials were undertaken based on various designs and approaches for the device and the critical characteristics were studied. The micro active catheter with guide-wire shows maximum bending angle and considerable torque making it ideal for micro invasive procedures in constricted as well as divergent blood vessels.

Full Text
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